Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc duoc co snippets" » "hoc nuoc co snippets", "hoa duoc co snippets", "hoc dung co snippets", "hoc duoc hoc snippets", "hoc duong co snippets", "hoc duoc hoi snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hoc duoc co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc duoc co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc duoc co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc duoc co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.